Colby Valve XL Emergency Valve (1 Yellow) flow meter When used with a LockNLube

When used with a LockNLube Grease Coupler a leak-free connection is made between the coupler and the extension

The valve core is stored inside the tool while you fill the tire

Agricultural equipment

Heavy trucks and fleets

Push the collar away from you to release the rear jaws

Colby Valve XL Emergency Valve (1 Yellow) flow meter When used with a LockNLubeThe Colby Valve XL Emergency Valve was designed to replace broken valves stems on 5 8" (. 625) wheel openings. These are the larger wheel openings found on farm and construction equipment, commercial trucks, etc. They can be installed with a 9 16" socket or wrench, from the outside of the wheel, in about 1 minute. While all of our valves will save you time, the XL can save you a lot of downtime and money on the job. Fits large 5 8" wheel openings (.